15651880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 37065600

約数和(自身を除く): 21413720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 103, 116, 131, 145, 206, 232, 262, 290, 412, 515, 524, 580, 655, 824, 1030, 1048, 1160, 1310, 2060, 2620, 2987, 3799, 4120, 5240, 5974, 7598, 11948, 13493, 14935, 15196, 18995, 23896, 26986, 29870, 30392, 37990, 53972, 59740, 67465, 75980, 107944, 119480, 134930, 151960, 269860, 391297, 539720, 782594, 1565188, 1956485, 3130376, 3912970, 7825940, 15651880]

約数ペア:

[(1, 15651880), (2, 7825940), (4, 3912970), (5, 3130376), (8, 1956485), (10, 1565188), (20, 782594), (29, 539720), (40, 391297), (58, 269860), (103, 151960), (116, 134930), (131, 119480), (145, 107944), (206, 75980), (232, 67465), (262, 59740), (290, 53972), (412, 37990), (515, 30392), (524, 29870), (580, 26986), (655, 23896), (824, 18995), (1030, 15196), (1048, 14935), (1160, 13493), (1310, 11948), (2060, 7598), (2620, 5974), (2987, 5240), (3799, 4120)]